20100647565

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1\times {\mathrm{17471}}^1$

素因数の和:18210

約数の個数: 48

約数和(自身を含む): 35836609536

約数和(自身を除く): 15735961971

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 691, 1665, 2073, 3455, 6219, 10365, 17471, 25567, 31095, 52413, 76701, 87355, 127835, 157239, 230103, 262065, 383505, 646427, 786195, 1150515, 1939281, 3232135, 5817843, 9696405, 12072461, 29089215, 36217383, 60362305, 108652149, 181086915, 446681057, 543260745, 1340043171, 2233405285, 4020129513, 6700215855, 20100647565]

約数ペア:

[(1, 20100647565), (3, 6700215855), (5, 4020129513), (9, 2233405285), (15, 1340043171), (37, 543260745), (45, 446681057), (111, 181086915), (185, 108652149), (333, 60362305), (555, 36217383), (691, 29089215), (1665, 12072461), (2073, 9696405), (3455, 5817843), (6219, 3232135), (10365, 1939281), (17471, 1150515), (25567, 786195), (31095, 646427), (52413, 383505), (76701, 262065), (87355, 230103), (127835, 157239)]