20004030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 54616320

約数和(自身を除く): 34612290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1723, 1935, 2322, 3446, 3870, 5169, 5805, 8615, 10338, 11610, 15507, 17230, 25845, 31014, 46521, 51690, 74089, 77535, 93042, 148178, 155070, 222267, 232605, 370445, 444534, 465210, 666801, 740890, 1111335, 1333602, 2000403, 2222670, 3334005, 4000806, 6668010, 10002015, 20004030]

約数ペア:

[(1, 20004030), (2, 10002015), (3, 6668010), (5, 4000806), (6, 3334005), (9, 2222670), (10, 2000403), (15, 1333602), (18, 1111335), (27, 740890), (30, 666801), (43, 465210), (45, 444534), (54, 370445), (86, 232605), (90, 222267), (129, 155070), (135, 148178), (215, 93042), (258, 77535), (270, 74089), (387, 51690), (430, 46521), (645, 31014), (774, 25845), (1161, 17230), (1290, 15507), (1723, 11610), (1935, 10338), (2322, 8615), (3446, 5805), (3870, 5169)]