20818224

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1127

約数の個数: 120

約数和(自身を含む): 70154240

約数和(自身を除く): 49336016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1064, 1087, 1197, 1368, 1596, 2128, 2174, 2394, 2736, 3192, 3261, 4348, 4788, 6384, 6522, 7609, 8696, 9576, 9783, 13044, 15218, 17392, 19152, 19566, 20653, 22827, 26088, 30436, 39132, 41306, 45654, 52176, 60872, 61959, 68481, 78264, 82612, 91308, 121744, 123918, 136962, 144571, 156528, 165224, 182616, 185877, 247836, 273924, 289142, 330448, 365232, 371754, 433713, 495672, 547848, 578284, 743508, 867426, 991344, 1095696, 1156568, 1301139, 1487016, 1734852, 2313136, 2602278, 2974032, 3469704, 5204556, 6939408, 10409112, 20818224]

約数ペア:

[(1, 20818224), (2, 10409112), (3, 6939408), (4, 5204556), (6, 3469704), (7, 2974032), (8, 2602278), (9, 2313136), (12, 1734852), (14, 1487016), (16, 1301139), (18, 1156568), (19, 1095696), (21, 991344), (24, 867426), (28, 743508), (36, 578284), (38, 547848), (42, 495672), (48, 433713), (56, 371754), (57, 365232), (63, 330448), (72, 289142), (76, 273924), (84, 247836), (112, 185877), (114, 182616), (126, 165224), (133, 156528), (144, 144571), (152, 136962), (168, 123918), (171, 121744), (228, 91308), (252, 82612), (266, 78264), (304, 68481), (336, 61959), (342, 60872), (399, 52176), (456, 45654), (504, 41306), (532, 39132), (684, 30436), (798, 26088), (912, 22827), (1008, 20653), (1064, 19566), (1087, 19152), (1197, 17392), (1368, 15218), (1596, 13044), (2128, 9783), (2174, 9576), (2394, 8696), (2736, 7609), (3192, 6522), (3261, 6384), (4348, 4788)]