20346500590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{14831}}^1$

素因数の和:15085

約数の個数: 64

約数和(自身を含む): 40321919232

約数和(自身を除く): 19975418642

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 173, 305, 346, 610, 793, 865, 1586, 1730, 2249, 3965, 4498, 7930, 10553, 11245, 14831, 21106, 22490, 29662, 52765, 74155, 105530, 137189, 148310, 192803, 274378, 385606, 685945, 904691, 964015, 1371890, 1809382, 1928030, 2565763, 4523455, 5131526, 9046910, 11760983, 12828815, 23521966, 25657630, 33354919, 58804915, 66709838, 117609830, 156511543, 166774595, 313023086, 333549190, 782557715, 1565115430, 2034650059, 4069300118, 10173250295, 20346500590]

約数ペア:

[(1, 20346500590), (2, 10173250295), (5, 4069300118), (10, 2034650059), (13, 1565115430), (26, 782557715), (61, 333549190), (65, 313023086), (122, 166774595), (130, 156511543), (173, 117609830), (305, 66709838), (346, 58804915), (610, 33354919), (793, 25657630), (865, 23521966), (1586, 12828815), (1730, 11760983), (2249, 9046910), (3965, 5131526), (4498, 4523455), (7930, 2565763), (10553, 1928030), (11245, 1809382), (14831, 1371890), (21106, 964015), (22490, 904691), (29662, 685945), (52765, 385606), (74155, 274378), (105530, 192803), (137189, 148310)]