20199972368

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1499}}^1\times {\mathrm{13807}}^1$

素因数の和:15375

約数の個数: 40

約数和(自身を含む): 39808464000

約数和(自身を除く): 19608491632

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1499, 2998, 5996, 11992, 13807, 23984, 27614, 55228, 91439, 110456, 182878, 220912, 365756, 731512, 842227, 1463024, 1684454, 3368908, 6737816, 13475632, 20696693, 41393386, 82786772, 165573544, 331147088, 1262498273, 2524996546, 5049993092, 10099986184, 20199972368]

約数ペア:

[(1, 20199972368), (2, 10099986184), (4, 5049993092), (8, 2524996546), (16, 1262498273), (61, 331147088), (122, 165573544), (244, 82786772), (488, 41393386), (976, 20696693), (1499, 13475632), (2998, 6737816), (5996, 3368908), (11992, 1684454), (13807, 1463024), (23984, 842227), (27614, 731512), (55228, 365756), (91439, 220912), (110456, 182878)]