20538892808

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{22133}}^1$

素因数の和:22446

約数の個数: 64

約数和(自身を含む): 44813381760

約数和(自身を除く): 24274488952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 227, 292, 454, 511, 584, 908, 1022, 1589, 1816, 2044, 3178, 4088, 6356, 12712, 16571, 22133, 33142, 44266, 66284, 88532, 115997, 132568, 154931, 177064, 231994, 309862, 463988, 619724, 927976, 1239448, 1615709, 3231418, 5024191, 6462836, 10048382, 11309963, 12925672, 20096764, 22619926, 35169337, 40193528, 45239852, 70338674, 90479704, 140677348, 281354696, 366765943, 733531886, 1467063772, 2567361601, 2934127544, 5134723202, 10269446404, 20538892808]

約数ペア:

[(1, 20538892808), (2, 10269446404), (4, 5134723202), (7, 2934127544), (8, 2567361601), (14, 1467063772), (28, 733531886), (56, 366765943), (73, 281354696), (146, 140677348), (227, 90479704), (292, 70338674), (454, 45239852), (511, 40193528), (584, 35169337), (908, 22619926), (1022, 20096764), (1589, 12925672), (1816, 11309963), (2044, 10048382), (3178, 6462836), (4088, 5024191), (6356, 3231418), (12712, 1615709), (16571, 1239448), (22133, 927976), (33142, 619724), (44266, 463988), (66284, 309862), (88532, 231994), (115997, 177064), (132568, 154931)]