20558550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 54639360

約数和(自身を除く): 34080810

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 59, 69, 75, 101, 115, 118, 138, 150, 177, 202, 230, 295, 303, 345, 354, 505, 575, 590, 606, 690, 885, 1010, 1150, 1357, 1475, 1515, 1725, 1770, 2323, 2525, 2714, 2950, 3030, 3450, 4071, 4425, 4646, 5050, 5959, 6785, 6969, 7575, 8142, 8850, 11615, 11918, 13570, 13938, 15150, 17877, 20355, 23230, 29795, 33925, 34845, 35754, 40710, 58075, 59590, 67850, 69690, 89385, 101775, 116150, 137057, 148975, 174225, 178770, 203550, 274114, 297950, 348450, 411171, 446925, 685285, 822342, 893850, 1370570, 2055855, 3426425, 4111710, 6852850, 10279275, 20558550]

約数ペア:

[(1, 20558550), (2, 10279275), (3, 6852850), (5, 4111710), (6, 3426425), (10, 2055855), (15, 1370570), (23, 893850), (25, 822342), (30, 685285), (46, 446925), (50, 411171), (59, 348450), (69, 297950), (75, 274114), (101, 203550), (115, 178770), (118, 174225), (138, 148975), (150, 137057), (177, 116150), (202, 101775), (230, 89385), (295, 69690), (303, 67850), (345, 59590), (354, 58075), (505, 40710), (575, 35754), (590, 34845), (606, 33925), (690, 29795), (885, 23230), (1010, 20355), (1150, 17877), (1357, 15150), (1475, 13938), (1515, 13570), (1725, 11918), (1770, 11615), (2323, 8850), (2525, 8142), (2714, 7575), (2950, 6969), (3030, 6785), (3450, 5959), (4071, 5050), (4425, 4646)]