20634540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1039}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 58007040

約数和(自身を除く): 37372500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1039, 1324, 1655, 1986, 2078, 3117, 3310, 3972, 4156, 4965, 5195, 6234, 6620, 9930, 10390, 12468, 15585, 19860, 20780, 31170, 62340, 343909, 687818, 1031727, 1375636, 1719545, 2063454, 3439090, 4126908, 5158635, 6878180, 10317270, 20634540]

約数ペア:

[(1, 20634540), (2, 10317270), (3, 6878180), (4, 5158635), (5, 4126908), (6, 3439090), (10, 2063454), (12, 1719545), (15, 1375636), (20, 1031727), (30, 687818), (60, 343909), (331, 62340), (662, 31170), (993, 20780), (1039, 19860), (1324, 15585), (1655, 12468), (1986, 10390), (2078, 9930), (3117, 6620), (3310, 6234), (3972, 5195), (4156, 4965)]