20175975075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{267143}}^1$

素因数の和:267228

約数の個数: 48

約数和(自身を含む): 35775924480

約数和(自身を除く): 15599949405

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 159, 265, 285, 475, 795, 1007, 1325, 1425, 3021, 3975, 5035, 15105, 25175, 75525, 267143, 801429, 1335715, 4007145, 5075717, 6678575, 14158579, 15227151, 20035725, 25378585, 42475737, 70792895, 76135755, 126892925, 212378685, 269013001, 353964475, 380678775, 807039003, 1061893425, 1345065005, 4035195015, 6725325025, 20175975075]

約数ペア:

[(1, 20175975075), (3, 6725325025), (5, 4035195015), (15, 1345065005), (19, 1061893425), (25, 807039003), (53, 380678775), (57, 353964475), (75, 269013001), (95, 212378685), (159, 126892925), (265, 76135755), (285, 70792895), (475, 42475737), (795, 25378585), (1007, 20035725), (1325, 15227151), (1425, 14158579), (3021, 6678575), (3975, 5075717), (5035, 4007145), (15105, 1335715), (25175, 801429), (75525, 267143)]