20023250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 41434848

約数和(自身を除く): 21411598

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 101, 122, 125, 130, 202, 250, 305, 325, 505, 610, 650, 793, 1010, 1313, 1525, 1586, 1625, 2525, 2626, 3050, 3250, 3965, 5050, 6161, 6565, 7625, 7930, 12322, 12625, 13130, 15250, 19825, 25250, 30805, 32825, 39650, 61610, 65650, 80093, 99125, 154025, 160186, 164125, 198250, 308050, 328250, 400465, 770125, 800930, 1540250, 2002325, 4004650, 10011625, 20023250]

約数ペア:

[(1, 20023250), (2, 10011625), (5, 4004650), (10, 2002325), (13, 1540250), (25, 800930), (26, 770125), (50, 400465), (61, 328250), (65, 308050), (101, 198250), (122, 164125), (125, 160186), (130, 154025), (202, 99125), (250, 80093), (305, 65650), (325, 61610), (505, 39650), (610, 32825), (650, 30805), (793, 25250), (1010, 19825), (1313, 15250), (1525, 13130), (1586, 12625), (1625, 12322), (2525, 7930), (2626, 7625), (3050, 6565), (3250, 6161), (3965, 5050)]