20717190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17707}}^1$

素因数の和:17733

約数の個数: 48

約数和(自身を含む): 58011408

約数和(自身を除く): 37294218

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17707, 35414, 53121, 88535, 106242, 159363, 177070, 230191, 265605, 318726, 460382, 531210, 690573, 796815, 1150955, 1381146, 1593630, 2071719, 2301910, 3452865, 4143438, 6905730, 10358595, 20717190]

約数ペア:

[(1, 20717190), (2, 10358595), (3, 6905730), (5, 4143438), (6, 3452865), (9, 2301910), (10, 2071719), (13, 1593630), (15, 1381146), (18, 1150955), (26, 796815), (30, 690573), (39, 531210), (45, 460382), (65, 318726), (78, 265605), (90, 230191), (117, 177070), (130, 159363), (195, 106242), (234, 88535), (390, 53121), (585, 35414), (1170, 17707)]