20153193620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4643593}}^1$

素因数の和:4643640

約数の個数: 48

約数和(自身を含む): 49927922688

約数和(自身を除く): 29774729068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4643593, 9287186, 18574372, 23217965, 32505151, 46435930, 65010302, 92871860, 130020604, 143951383, 162525755, 287902766, 325051510, 575805532, 650103020, 719756915, 1007659681, 1439513830, 2015319362, 2879027660, 4030638724, 5038298405, 10076596810, 20153193620]

約数ペア:

[(1, 20153193620), (2, 10076596810), (4, 5038298405), (5, 4030638724), (7, 2879027660), (10, 2015319362), (14, 1439513830), (20, 1007659681), (28, 719756915), (31, 650103020), (35, 575805532), (62, 325051510), (70, 287902766), (124, 162525755), (140, 143951383), (155, 130020604), (217, 92871860), (310, 65010302), (434, 46435930), (620, 32505151), (868, 23217965), (1085, 18574372), (2170, 9287186), (4340, 4643593)]