20945358

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55411}}^1$

素因数の和:55429

約数の個数: 32

約数和(自身を含む): 53195520

約数和(自身を除く): 32250162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55411, 110822, 166233, 332466, 387877, 498699, 775754, 997398, 1163631, 1496097, 2327262, 2992194, 3490893, 6981786, 10472679, 20945358]

約数ペア:

[(1, 20945358), (2, 10472679), (3, 6981786), (6, 3490893), (7, 2992194), (9, 2327262), (14, 1496097), (18, 1163631), (21, 997398), (27, 775754), (42, 498699), (54, 387877), (63, 332466), (126, 166233), (189, 110822), (378, 55411)]