20838816

素因数分解:

$2^5\times 3^3\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 40850784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 89, 96, 108, 144, 178, 216, 267, 271, 288, 356, 432, 534, 542, 712, 801, 813, 864, 1068, 1084, 1424, 1602, 1626, 2136, 2168, 2403, 2439, 2848, 3204, 3252, 4272, 4336, 4806, 4878, 6408, 6504, 7317, 8544, 8672, 9612, 9756, 12816, 13008, 14634, 19224, 19512, 24119, 25632, 26016, 29268, 38448, 39024, 48238, 58536, 72357, 76896, 78048, 96476, 117072, 144714, 192952, 217071, 234144, 289428, 385904, 434142, 578856, 651213, 771808, 868284, 1157712, 1302426, 1736568, 2315424, 2604852, 3473136, 5209704, 6946272, 10419408, 20838816]

約数ペア:

[(1, 20838816), (2, 10419408), (3, 6946272), (4, 5209704), (6, 3473136), (8, 2604852), (9, 2315424), (12, 1736568), (16, 1302426), (18, 1157712), (24, 868284), (27, 771808), (32, 651213), (36, 578856), (48, 434142), (54, 385904), (72, 289428), (89, 234144), (96, 217071), (108, 192952), (144, 144714), (178, 117072), (216, 96476), (267, 78048), (271, 76896), (288, 72357), (356, 58536), (432, 48238), (534, 39024), (542, 38448), (712, 29268), (801, 26016), (813, 25632), (864, 24119), (1068, 19512), (1084, 19224), (1424, 14634), (1602, 13008), (1626, 12816), (2136, 9756), (2168, 9612), (2403, 8672), (2439, 8544), (2848, 7317), (3204, 6504), (3252, 6408), (4272, 4878), (4336, 4806)]