20524740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40439100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 107, 115, 138, 139, 214, 230, 276, 278, 321, 345, 417, 428, 460, 535, 556, 642, 690, 695, 834, 1070, 1284, 1380, 1390, 1605, 1668, 2085, 2140, 2461, 2780, 3197, 3210, 4170, 4922, 6394, 6420, 7383, 8340, 9591, 9844, 12305, 12788, 14766, 14873, 15985, 19182, 24610, 29532, 29746, 31970, 36915, 38364, 44619, 47955, 49220, 59492, 63940, 73830, 74365, 89238, 95910, 147660, 148730, 178476, 191820, 223095, 297460, 342079, 446190, 684158, 892380, 1026237, 1368316, 1710395, 2052474, 3420790, 4104948, 5131185, 6841580, 10262370, 20524740]

約数ペア:

[(1, 20524740), (2, 10262370), (3, 6841580), (4, 5131185), (5, 4104948), (6, 3420790), (10, 2052474), (12, 1710395), (15, 1368316), (20, 1026237), (23, 892380), (30, 684158), (46, 446190), (60, 342079), (69, 297460), (92, 223095), (107, 191820), (115, 178476), (138, 148730), (139, 147660), (214, 95910), (230, 89238), (276, 74365), (278, 73830), (321, 63940), (345, 59492), (417, 49220), (428, 47955), (460, 44619), (535, 38364), (556, 36915), (642, 31970), (690, 29746), (695, 29532), (834, 24610), (1070, 19182), (1284, 15985), (1380, 14873), (1390, 14766), (1605, 12788), (1668, 12305), (2085, 9844), (2140, 9591), (2461, 8340), (2780, 7383), (3197, 6420), (3210, 6394), (4170, 4922)]