20637344

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 52778880

約数和(自身を除く): 32141536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 364, 373, 416, 494, 532, 608, 728, 746, 988, 1064, 1456, 1492, 1729, 1976, 2128, 2611, 2912, 2984, 3458, 3952, 4256, 4849, 5222, 5968, 6916, 7087, 7904, 9698, 10444, 11936, 13832, 14174, 19396, 20888, 27664, 28348, 33943, 38792, 41776, 49609, 55328, 56696, 67886, 77584, 83552, 92131, 99218, 113392, 135772, 155168, 184262, 198436, 226784, 271544, 368524, 396872, 543088, 644917, 737048, 793744, 1086176, 1289834, 1474096, 1587488, 2579668, 2948192, 5159336, 10318672, 20637344]

約数ペア:

[(1, 20637344), (2, 10318672), (4, 5159336), (7, 2948192), (8, 2579668), (13, 1587488), (14, 1474096), (16, 1289834), (19, 1086176), (26, 793744), (28, 737048), (32, 644917), (38, 543088), (52, 396872), (56, 368524), (76, 271544), (91, 226784), (104, 198436), (112, 184262), (133, 155168), (152, 135772), (182, 113392), (208, 99218), (224, 92131), (247, 83552), (266, 77584), (304, 67886), (364, 56696), (373, 55328), (416, 49609), (494, 41776), (532, 38792), (608, 33943), (728, 28348), (746, 27664), (988, 20888), (1064, 19396), (1456, 14174), (1492, 13832), (1729, 11936), (1976, 10444), (2128, 9698), (2611, 7904), (2912, 7087), (2984, 6916), (3458, 5968), (3952, 5222), (4256, 4849)]