20335770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 65774592

約数和(自身を除く): 45438822

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 169, 182, 191, 195, 210, 234, 273, 315, 338, 382, 390, 455, 507, 546, 573, 585, 630, 819, 845, 910, 955, 1014, 1146, 1170, 1183, 1337, 1365, 1521, 1638, 1690, 1719, 1910, 2366, 2483, 2535, 2674, 2730, 2865, 3042, 3438, 3549, 4011, 4095, 4966, 5070, 5730, 5915, 6685, 7098, 7449, 7605, 8022, 8190, 8595, 10647, 11830, 12033, 12415, 13370, 14898, 15210, 17190, 17381, 17745, 20055, 21294, 22347, 24066, 24830, 32279, 34762, 35490, 37245, 40110, 44694, 52143, 53235, 60165, 64558, 74490, 86905, 96837, 104286, 106470, 111735, 120330, 156429, 161395, 173810, 193674, 223470, 225953, 260715, 290511, 312858, 322790, 451906, 484185, 521430, 581022, 677859, 782145, 968370, 1129765, 1355718, 1452555, 1564290, 2033577, 2259530, 2905110, 3389295, 4067154, 6778590, 10167885, 20335770]

約数ペア:

[(1, 20335770), (2, 10167885), (3, 6778590), (5, 4067154), (6, 3389295), (7, 2905110), (9, 2259530), (10, 2033577), (13, 1564290), (14, 1452555), (15, 1355718), (18, 1129765), (21, 968370), (26, 782145), (30, 677859), (35, 581022), (39, 521430), (42, 484185), (45, 451906), (63, 322790), (65, 312858), (70, 290511), (78, 260715), (90, 225953), (91, 223470), (105, 193674), (117, 173810), (126, 161395), (130, 156429), (169, 120330), (182, 111735), (191, 106470), (195, 104286), (210, 96837), (234, 86905), (273, 74490), (315, 64558), (338, 60165), (382, 53235), (390, 52143), (455, 44694), (507, 40110), (546, 37245), (573, 35490), (585, 34762), (630, 32279), (819, 24830), (845, 24066), (910, 22347), (955, 21294), (1014, 20055), (1146, 17745), (1170, 17381), (1183, 17190), (1337, 15210), (1365, 14898), (1521, 13370), (1638, 12415), (1690, 12033), (1719, 11830), (1910, 10647), (2366, 8595), (2483, 8190), (2535, 8022), (2674, 7605), (2730, 7449), (2865, 7098), (3042, 6685), (3438, 5915), (3549, 5730), (4011, 5070), (4095, 4966)]