20235041780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{106243}}^1$

素因数の和:106448

約数の個数: 48

約数和(自身を含む): 43373050560

約数和(自身を除く): 23138008780

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 178, 214, 356, 428, 445, 535, 890, 1070, 1780, 2140, 9523, 19046, 38092, 47615, 95230, 106243, 190460, 212486, 424972, 531215, 1062430, 2124860, 9455627, 11368001, 18911254, 22736002, 37822508, 45472004, 47278135, 56840005, 94556270, 113680010, 189112540, 227360020, 1011752089, 2023504178, 4047008356, 5058760445, 10117520890, 20235041780]

約数ペア:

[(1, 20235041780), (2, 10117520890), (4, 5058760445), (5, 4047008356), (10, 2023504178), (20, 1011752089), (89, 227360020), (107, 189112540), (178, 113680010), (214, 94556270), (356, 56840005), (428, 47278135), (445, 45472004), (535, 37822508), (890, 22736002), (1070, 18911254), (1780, 11368001), (2140, 9455627), (9523, 2124860), (19046, 1062430), (38092, 531215), (47615, 424972), (95230, 212486), (106243, 190460)]