20178196330

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{126517}}^1$

素因数の和:126954

約数の個数: 32

約数和(自身を含む): 37302567120

約数和(自身を除く): 17124370790

約数列:

[1, 2, 5, 10, 41, 82, 205, 389, 410, 778, 1945, 3890, 15949, 31898, 79745, 126517, 159490, 253034, 632585, 1265170, 5187197, 10374394, 25935985, 49215113, 51871970, 98430226, 246075565, 492151130, 2017819633, 4035639266, 10089098165, 20178196330]

約数ペア:

[(1, 20178196330), (2, 10089098165), (5, 4035639266), (10, 2017819633), (41, 492151130), (82, 246075565), (205, 98430226), (389, 51871970), (410, 49215113), (778, 25935985), (1945, 10374394), (3890, 5187197), (15949, 1265170), (31898, 632585), (79745, 253034), (126517, 159490)]