20317536

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 42581664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 47, 48, 57, 72, 76, 79, 94, 96, 114, 141, 144, 152, 158, 171, 188, 228, 237, 282, 288, 304, 316, 342, 376, 423, 456, 474, 564, 608, 632, 684, 711, 752, 846, 893, 912, 948, 1128, 1264, 1368, 1422, 1501, 1504, 1692, 1786, 1824, 1896, 2256, 2528, 2679, 2736, 2844, 3002, 3384, 3572, 3713, 3792, 4503, 4512, 5358, 5472, 5688, 6004, 6768, 7144, 7426, 7584, 8037, 9006, 10716, 11139, 11376, 12008, 13509, 13536, 14288, 14852, 16074, 18012, 21432, 22278, 22752, 24016, 27018, 28576, 29704, 32148, 33417, 36024, 42864, 44556, 48032, 54036, 59408, 64296, 66834, 70547, 72048, 85728, 89112, 108072, 118816, 128592, 133668, 141094, 144096, 178224, 211641, 216144, 257184, 267336, 282188, 356448, 423282, 432288, 534672, 564376, 634923, 846564, 1069344, 1128752, 1269846, 1693128, 2257504, 2539692, 3386256, 5079384, 6772512, 10158768, 20317536]

約数ペア:

[(1, 20317536), (2, 10158768), (3, 6772512), (4, 5079384), (6, 3386256), (8, 2539692), (9, 2257504), (12, 1693128), (16, 1269846), (18, 1128752), (19, 1069344), (24, 846564), (32, 634923), (36, 564376), (38, 534672), (47, 432288), (48, 423282), (57, 356448), (72, 282188), (76, 267336), (79, 257184), (94, 216144), (96, 211641), (114, 178224), (141, 144096), (144, 141094), (152, 133668), (158, 128592), (171, 118816), (188, 108072), (228, 89112), (237, 85728), (282, 72048), (288, 70547), (304, 66834), (316, 64296), (342, 59408), (376, 54036), (423, 48032), (456, 44556), (474, 42864), (564, 36024), (608, 33417), (632, 32148), (684, 29704), (711, 28576), (752, 27018), (846, 24016), (893, 22752), (912, 22278), (948, 21432), (1128, 18012), (1264, 16074), (1368, 14852), (1422, 14288), (1501, 13536), (1504, 13509), (1692, 12008), (1786, 11376), (1824, 11139), (1896, 10716), (2256, 9006), (2528, 8037), (2679, 7584), (2736, 7426), (2844, 7144), (3002, 6768), (3384, 6004), (3572, 5688), (3713, 5472), (3792, 5358), (4503, 4512)]