20185209975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1\times {\mathrm{1307}}^1$

素因数の和:2629

約数の個数: 96

約数和(自身を含む): 39860305920

約数和(自身を除く): 19675095945

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1279, 1307, 1725, 2415, 3837, 3921, 4025, 6395, 6535, 8953, 9149, 12075, 19185, 19605, 26859, 27447, 29417, 30061, 31975, 32675, 44765, 45745, 88251, 90183, 95925, 98025, 134295, 137235, 147085, 150305, 205919, 210427, 223825, 228725, 441255, 450915, 617757, 631281, 671475, 686175, 735425, 751525, 1029595, 1052135, 1671653, 2206275, 2254575, 3088785, 3156405, 5014959, 5147975, 5260675, 8358265, 11701571, 15443925, 15782025, 25074795, 35104713, 38448019, 41791325, 58507855, 115344057, 125373975, 175523565, 192240095, 269136133, 292539275, 576720285, 807408399, 877617825, 961200475, 1345680665, 2883601425, 4037041995, 6728403325, 20185209975]

約数ペア:

[(1, 20185209975), (3, 6728403325), (5, 4037041995), (7, 2883601425), (15, 1345680665), (21, 961200475), (23, 877617825), (25, 807408399), (35, 576720285), (69, 292539275), (75, 269136133), (105, 192240095), (115, 175523565), (161, 125373975), (175, 115344057), (345, 58507855), (483, 41791325), (525, 38448019), (575, 35104713), (805, 25074795), (1279, 15782025), (1307, 15443925), (1725, 11701571), (2415, 8358265), (3837, 5260675), (3921, 5147975), (4025, 5014959), (6395, 3156405), (6535, 3088785), (8953, 2254575), (9149, 2206275), (12075, 1671653), (19185, 1052135), (19605, 1029595), (26859, 751525), (27447, 735425), (29417, 686175), (30061, 671475), (31975, 631281), (32675, 617757), (44765, 450915), (45745, 441255), (88251, 228725), (90183, 223825), (95925, 210427), (98025, 205919), (134295, 150305), (137235, 147085)]