20053950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 37799490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 71, 75, 105, 142, 150, 175, 210, 213, 269, 350, 355, 426, 497, 525, 538, 710, 807, 994, 1050, 1065, 1345, 1491, 1614, 1775, 1883, 2130, 2485, 2690, 2982, 3550, 3766, 4035, 4970, 5325, 5649, 6725, 7455, 8070, 9415, 10650, 11298, 12425, 13450, 14910, 18830, 19099, 20175, 24850, 28245, 37275, 38198, 40350, 47075, 56490, 57297, 74550, 94150, 95495, 114594, 133693, 141225, 190990, 267386, 282450, 286485, 401079, 477475, 572970, 668465, 802158, 954950, 1336930, 1432425, 2005395, 2864850, 3342325, 4010790, 6684650, 10026975, 20053950]

約数ペア:

[(1, 20053950), (2, 10026975), (3, 6684650), (5, 4010790), (6, 3342325), (7, 2864850), (10, 2005395), (14, 1432425), (15, 1336930), (21, 954950), (25, 802158), (30, 668465), (35, 572970), (42, 477475), (50, 401079), (70, 286485), (71, 282450), (75, 267386), (105, 190990), (142, 141225), (150, 133693), (175, 114594), (210, 95495), (213, 94150), (269, 74550), (350, 57297), (355, 56490), (426, 47075), (497, 40350), (525, 38198), (538, 37275), (710, 28245), (807, 24850), (994, 20175), (1050, 19099), (1065, 18830), (1345, 14910), (1491, 13450), (1614, 12425), (1775, 11298), (1883, 10650), (2130, 9415), (2485, 8070), (2690, 7455), (2982, 6725), (3550, 5649), (3766, 5325), (4035, 4970)]