20121911856

素因数分解:

$2^4\times 3^2\times {\mathrm{163}}^1\times {\mathrm{857273}}^1$

素因数の和:857450

約数の個数: 60

約数和(自身を含む): 56658953208

約数和(自身を除く): 36537041352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 163, 326, 489, 652, 978, 1304, 1467, 1956, 2608, 2934, 3912, 5868, 7824, 11736, 23472, 857273, 1714546, 2571819, 3429092, 5143638, 6858184, 7715457, 10287276, 13716368, 15430914, 20574552, 30861828, 41149104, 61723656, 123447312, 139735499, 279470998, 419206497, 558941996, 838412994, 1117883992, 1257619491, 1676825988, 2235767984, 2515238982, 3353651976, 5030477964, 6707303952, 10060955928, 20121911856]

約数ペア:

[(1, 20121911856), (2, 10060955928), (3, 6707303952), (4, 5030477964), (6, 3353651976), (8, 2515238982), (9, 2235767984), (12, 1676825988), (16, 1257619491), (18, 1117883992), (24, 838412994), (36, 558941996), (48, 419206497), (72, 279470998), (144, 139735499), (163, 123447312), (326, 61723656), (489, 41149104), (652, 30861828), (978, 20574552), (1304, 15430914), (1467, 13716368), (1956, 10287276), (2608, 7715457), (2934, 6858184), (3912, 5143638), (5868, 3429092), (7824, 2571819), (11736, 1714546), (23472, 857273)]