20165972025

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{13477}}^1$

素因数の和:13842

約数の個数: 48

約数和(自身を含む): 33933506688

約数和(自身を除く): 13767534663

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 281, 355, 843, 1065, 1405, 1775, 4215, 5325, 7025, 13477, 19951, 21075, 40431, 59853, 67385, 99755, 202155, 299265, 336925, 498775, 956867, 1010775, 1496325, 2870601, 3787037, 4784335, 11361111, 14353005, 18935185, 23921675, 56805555, 71765025, 94675925, 268879627, 284027775, 806638881, 1344398135, 4033194405, 6721990675, 20165972025]

約数ペア:

[(1, 20165972025), (3, 6721990675), (5, 4033194405), (15, 1344398135), (25, 806638881), (71, 284027775), (75, 268879627), (213, 94675925), (281, 71765025), (355, 56805555), (843, 23921675), (1065, 18935185), (1405, 14353005), (1775, 11361111), (4215, 4784335), (5325, 3787037), (7025, 2870601), (13477, 1496325), (19951, 1010775), (21075, 956867), (40431, 498775), (59853, 336925), (67385, 299265), (99755, 202155)]