20642815870

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1\times {\mathrm{18043}}^1$

素因数の和:18840

約数の個数: 32

約数和(自身を含む): 37416038400

約数和(自身を除く): 16773222530

約数列:

[1, 2, 5, 10, 191, 382, 599, 955, 1198, 1910, 2995, 5990, 18043, 36086, 90215, 114409, 180430, 228818, 572045, 1144090, 3446213, 6892426, 10807757, 17231065, 21615514, 34462130, 54038785, 108077570, 2064281587, 4128563174, 10321407935, 20642815870]

約数ペア:

[(1, 20642815870), (2, 10321407935), (5, 4128563174), (10, 2064281587), (191, 108077570), (382, 54038785), (599, 34462130), (955, 21615514), (1198, 17231065), (1910, 10807757), (2995, 6892426), (5990, 3446213), (18043, 1144090), (36086, 572045), (90215, 228818), (114409, 180430)]