20030450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 21216910

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 158, 275, 395, 461, 550, 790, 869, 922, 1738, 1975, 2305, 3950, 4345, 4610, 5071, 8690, 10142, 11525, 21725, 23050, 25355, 36419, 43450, 50710, 72838, 126775, 182095, 253550, 364190, 400609, 801218, 910475, 1820950, 2003045, 4006090, 10015225, 20030450]

約数ペア:

[(1, 20030450), (2, 10015225), (5, 4006090), (10, 2003045), (11, 1820950), (22, 910475), (25, 801218), (50, 400609), (55, 364190), (79, 253550), (110, 182095), (158, 126775), (275, 72838), (395, 50710), (461, 43450), (550, 36419), (790, 25355), (869, 23050), (922, 21725), (1738, 11525), (1975, 10142), (2305, 8690), (3950, 5071), (4345, 4610)]