20158552528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1098439}}^1$

素因数の和:1098515

約数の個数: 40

約数和(自身を含む): 41406794240

約数和(自身を除く): 21248241712

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1147, 2294, 4588, 9176, 18352, 1098439, 2196878, 4393756, 8787512, 17575024, 34051609, 40642243, 68103218, 81284486, 136206436, 162568972, 272412872, 325137944, 544825744, 650275888, 1259909533, 2519819066, 5039638132, 10079276264, 20158552528]

約数ペア:

[(1, 20158552528), (2, 10079276264), (4, 5039638132), (8, 2519819066), (16, 1259909533), (31, 650275888), (37, 544825744), (62, 325137944), (74, 272412872), (124, 162568972), (148, 136206436), (248, 81284486), (296, 68103218), (496, 40642243), (592, 34051609), (1147, 17575024), (2294, 8787512), (4588, 4393756), (9176, 2196878), (18352, 1098439)]