20179218525

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{16217}}^1$

素因数の和:16630

約数の個数: 48

約数和(自身を含む): 34171455744

約数和(自身を除く): 13992237219

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 353, 705, 1059, 1175, 1765, 3525, 5295, 8825, 16217, 16591, 26475, 48651, 49773, 81085, 82955, 243255, 248865, 405425, 414775, 762199, 1216275, 1244325, 2286597, 3810995, 5724601, 11432985, 17173803, 19054975, 28623005, 57164925, 85869015, 143115025, 269056247, 429345075, 807168741, 1345281235, 4035843705, 6726406175, 20179218525]

約数ペア:

[(1, 20179218525), (3, 6726406175), (5, 4035843705), (15, 1345281235), (25, 807168741), (47, 429345075), (75, 269056247), (141, 143115025), (235, 85869015), (353, 57164925), (705, 28623005), (1059, 19054975), (1175, 17173803), (1765, 11432985), (3525, 5724601), (5295, 3810995), (8825, 2286597), (16217, 1244325), (16591, 1216275), (26475, 762199), (48651, 414775), (49773, 405425), (81085, 248865), (82955, 243255)]