20565710960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1$

素因数の和:919

約数の個数: 160

約数和(自身を含む): 51087801600

約数和(自身を除く): 30522090640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 179, 190, 262, 304, 358, 380, 524, 577, 655, 716, 760, 895, 1048, 1154, 1310, 1432, 1520, 1790, 2096, 2308, 2489, 2620, 2864, 2885, 3401, 3580, 4616, 4978, 5240, 5770, 6802, 7160, 9232, 9956, 10480, 10963, 11540, 12445, 13604, 14320, 17005, 19912, 21926, 23080, 23449, 24890, 27208, 34010, 39824, 43852, 46160, 46898, 49780, 54416, 54815, 68020, 75587, 87704, 93796, 99560, 103283, 109630, 117245, 136040, 151174, 175408, 187592, 199120, 206566, 219260, 234490, 272080, 302348, 375184, 377935, 413132, 438520, 445531, 468980, 516415, 604696, 755870, 826264, 877040, 891062, 937960, 1032830, 1209392, 1436153, 1511740, 1652528, 1782124, 1875920, 1962377, 2065660, 2227655, 2872306, 3023480, 3564248, 3924754, 4131320, 4455310, 5744612, 6046960, 7128496, 7180765, 7849508, 8262640, 8910620, 9811885, 11489224, 13530073, 14361530, 15699016, 17821240, 19623770, 22978448, 27060146, 28723060, 31398032, 35642480, 39247540, 54120292, 57446120, 67650365, 78495080, 108240584, 114892240, 135300730, 156990160, 216481168, 257071387, 270601460, 514142774, 541202920, 1028285548, 1082405840, 1285356935, 2056571096, 2570713870, 4113142192, 5141427740, 10282855480, 20565710960]

約数ペア:

[(1, 20565710960), (2, 10282855480), (4, 5141427740), (5, 4113142192), (8, 2570713870), (10, 2056571096), (16, 1285356935), (19, 1082405840), (20, 1028285548), (38, 541202920), (40, 514142774), (76, 270601460), (80, 257071387), (95, 216481168), (131, 156990160), (152, 135300730), (179, 114892240), (190, 108240584), (262, 78495080), (304, 67650365), (358, 57446120), (380, 54120292), (524, 39247540), (577, 35642480), (655, 31398032), (716, 28723060), (760, 27060146), (895, 22978448), (1048, 19623770), (1154, 17821240), (1310, 15699016), (1432, 14361530), (1520, 13530073), (1790, 11489224), (2096, 9811885), (2308, 8910620), (2489, 8262640), (2620, 7849508), (2864, 7180765), (2885, 7128496), (3401, 6046960), (3580, 5744612), (4616, 4455310), (4978, 4131320), (5240, 3924754), (5770, 3564248), (6802, 3023480), (7160, 2872306), (9232, 2227655), (9956, 2065660), (10480, 1962377), (10963, 1875920), (11540, 1782124), (12445, 1652528), (13604, 1511740), (14320, 1436153), (17005, 1209392), (19912, 1032830), (21926, 937960), (23080, 891062), (23449, 877040), (24890, 826264), (27208, 755870), (34010, 604696), (39824, 516415), (43852, 468980), (46160, 445531), (46898, 438520), (49780, 413132), (54416, 377935), (54815, 375184), (68020, 302348), (75587, 272080), (87704, 234490), (93796, 219260), (99560, 206566), (103283, 199120), (109630, 187592), (117245, 175408), (136040, 151174)]