20740091900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1\times {\mathrm{797}}^1$

素因数の和:1440

約数の個数: 144

約数和(自身を含む): 50445333792

約数和(自身を除く): 29705241892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 577, 797, 820, 902, 1025, 1100, 1154, 1594, 1804, 2050, 2255, 2308, 2885, 3188, 3985, 4100, 4510, 5770, 6347, 7970, 8767, 9020, 11275, 11540, 12694, 14425, 15940, 17534, 19925, 22550, 23657, 25388, 28850, 31735, 32677, 35068, 39850, 43835, 45100, 47314, 57700, 63470, 65354, 79700, 87670, 94628, 118285, 126940, 130708, 158675, 163385, 175340, 219175, 236570, 260227, 317350, 326770, 359447, 438350, 459869, 473140, 520454, 591425, 634700, 653540, 718894, 816925, 876700, 919738, 1040908, 1182850, 1301135, 1437788, 1633850, 1797235, 1839476, 2299345, 2365700, 2602270, 3267700, 3594470, 4598690, 5058559, 5204540, 6505675, 7188940, 8986175, 9197380, 10117118, 11496725, 13011350, 17972350, 18854629, 20234236, 22993450, 25292795, 26022700, 35944700, 37709258, 45986900, 50585590, 75418516, 94273145, 101171180, 126463975, 188546290, 207400919, 252927950, 377092580, 414801838, 471365725, 505855900, 829603676, 942731450, 1037004595, 1885462900, 2074009190, 4148018380, 5185022975, 10370045950, 20740091900]

約数ペア:

[(1, 20740091900), (2, 10370045950), (4, 5185022975), (5, 4148018380), (10, 2074009190), (11, 1885462900), (20, 1037004595), (22, 942731450), (25, 829603676), (41, 505855900), (44, 471365725), (50, 414801838), (55, 377092580), (82, 252927950), (100, 207400919), (110, 188546290), (164, 126463975), (205, 101171180), (220, 94273145), (275, 75418516), (410, 50585590), (451, 45986900), (550, 37709258), (577, 35944700), (797, 26022700), (820, 25292795), (902, 22993450), (1025, 20234236), (1100, 18854629), (1154, 17972350), (1594, 13011350), (1804, 11496725), (2050, 10117118), (2255, 9197380), (2308, 8986175), (2885, 7188940), (3188, 6505675), (3985, 5204540), (4100, 5058559), (4510, 4598690), (5770, 3594470), (6347, 3267700), (7970, 2602270), (8767, 2365700), (9020, 2299345), (11275, 1839476), (11540, 1797235), (12694, 1633850), (14425, 1437788), (15940, 1301135), (17534, 1182850), (19925, 1040908), (22550, 919738), (23657, 876700), (25388, 816925), (28850, 718894), (31735, 653540), (32677, 634700), (35068, 591425), (39850, 520454), (43835, 473140), (45100, 459869), (47314, 438350), (57700, 359447), (63470, 326770), (65354, 317350), (79700, 260227), (87670, 236570), (94628, 219175), (118285, 175340), (126940, 163385), (130708, 158675)]