20896488

素因数分解:

$2^3\times 3^3\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1191

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 37855512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 89, 108, 178, 216, 267, 356, 534, 712, 801, 1068, 1087, 1602, 2136, 2174, 2403, 3204, 3261, 4348, 4806, 6408, 6522, 8696, 9612, 9783, 13044, 19224, 19566, 26088, 29349, 39132, 58698, 78264, 96743, 117396, 193486, 234792, 290229, 386972, 580458, 773944, 870687, 1160916, 1741374, 2321832, 2612061, 3482748, 5224122, 6965496, 10448244, 20896488]

約数ペア:

[(1, 20896488), (2, 10448244), (3, 6965496), (4, 5224122), (6, 3482748), (8, 2612061), (9, 2321832), (12, 1741374), (18, 1160916), (24, 870687), (27, 773944), (36, 580458), (54, 386972), (72, 290229), (89, 234792), (108, 193486), (178, 117396), (216, 96743), (267, 78264), (356, 58698), (534, 39132), (712, 29349), (801, 26088), (1068, 19566), (1087, 19224), (1602, 13044), (2136, 9783), (2174, 9612), (2403, 8696), (3204, 6522), (3261, 6408), (4348, 4806)]