20438832

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 56524160

約数和(自身を除く): 36085328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 73, 76, 114, 146, 152, 219, 228, 292, 304, 307, 438, 456, 584, 614, 876, 912, 921, 1168, 1228, 1387, 1752, 1842, 2456, 2774, 3504, 3684, 4161, 4912, 5548, 5833, 7368, 8322, 11096, 11666, 14736, 16644, 17499, 22192, 22411, 23332, 33288, 34998, 44822, 46664, 66576, 67233, 69996, 89644, 93328, 134466, 139992, 179288, 268932, 279984, 358576, 425809, 537864, 851618, 1075728, 1277427, 1703236, 2554854, 3406472, 5109708, 6812944, 10219416, 20438832]

約数ペア:

[(1, 20438832), (2, 10219416), (3, 6812944), (4, 5109708), (6, 3406472), (8, 2554854), (12, 1703236), (16, 1277427), (19, 1075728), (24, 851618), (38, 537864), (48, 425809), (57, 358576), (73, 279984), (76, 268932), (114, 179288), (146, 139992), (152, 134466), (219, 93328), (228, 89644), (292, 69996), (304, 67233), (307, 66576), (438, 46664), (456, 44822), (584, 34998), (614, 33288), (876, 23332), (912, 22411), (921, 22192), (1168, 17499), (1228, 16644), (1387, 14736), (1752, 11666), (1842, 11096), (2456, 8322), (2774, 7368), (3504, 5833), (3684, 5548), (4161, 4912)]