20226260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 29125420

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 31, 34, 38, 62, 68, 76, 85, 95, 101, 124, 155, 170, 190, 202, 310, 323, 340, 380, 404, 505, 527, 589, 620, 646, 1010, 1054, 1178, 1292, 1615, 1717, 1919, 2020, 2108, 2356, 2635, 2945, 3131, 3230, 3434, 3838, 5270, 5890, 6262, 6460, 6868, 7676, 8585, 9595, 10013, 10540, 11780, 12524, 15655, 17170, 19190, 20026, 31310, 32623, 34340, 38380, 40052, 50065, 53227, 59489, 62620, 65246, 100130, 106454, 118978, 130492, 163115, 200260, 212908, 237956, 266135, 297445, 326230, 532270, 594890, 652460, 1011313, 1064540, 1189780, 2022626, 4045252, 5056565, 10113130, 20226260]

約数ペア:

[(1, 20226260), (2, 10113130), (4, 5056565), (5, 4045252), (10, 2022626), (17, 1189780), (19, 1064540), (20, 1011313), (31, 652460), (34, 594890), (38, 532270), (62, 326230), (68, 297445), (76, 266135), (85, 237956), (95, 212908), (101, 200260), (124, 163115), (155, 130492), (170, 118978), (190, 106454), (202, 100130), (310, 65246), (323, 62620), (340, 59489), (380, 53227), (404, 50065), (505, 40052), (527, 38380), (589, 34340), (620, 32623), (646, 31310), (1010, 20026), (1054, 19190), (1178, 17170), (1292, 15655), (1615, 12524), (1717, 11780), (1919, 10540), (2020, 10013), (2108, 9595), (2356, 8585), (2635, 7676), (2945, 6868), (3131, 6460), (3230, 6262), (3434, 5890), (3838, 5270)]