20458500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 41811708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 125, 138, 150, 230, 250, 276, 300, 345, 375, 460, 500, 575, 593, 690, 750, 1150, 1186, 1380, 1500, 1725, 1779, 2300, 2372, 2875, 2965, 3450, 3558, 5750, 5930, 6900, 7116, 8625, 8895, 11500, 11860, 13639, 14825, 17250, 17790, 27278, 29650, 34500, 35580, 40917, 44475, 54556, 59300, 68195, 74125, 81834, 88950, 136390, 148250, 163668, 177900, 204585, 222375, 272780, 296500, 340975, 409170, 444750, 681950, 818340, 889500, 1022925, 1363900, 1704875, 2045850, 3409750, 4091700, 5114625, 6819500, 10229250, 20458500]

約数ペア:

[(1, 20458500), (2, 10229250), (3, 6819500), (4, 5114625), (5, 4091700), (6, 3409750), (10, 2045850), (12, 1704875), (15, 1363900), (20, 1022925), (23, 889500), (25, 818340), (30, 681950), (46, 444750), (50, 409170), (60, 340975), (69, 296500), (75, 272780), (92, 222375), (100, 204585), (115, 177900), (125, 163668), (138, 148250), (150, 136390), (230, 88950), (250, 81834), (276, 74125), (300, 68195), (345, 59300), (375, 54556), (460, 44475), (500, 40917), (575, 35580), (593, 34500), (690, 29650), (750, 27278), (1150, 17790), (1186, 17250), (1380, 14825), (1500, 13639), (1725, 11860), (1779, 11500), (2300, 8895), (2372, 8625), (2875, 7116), (2965, 6900), (3450, 5930), (3558, 5750)]