20128350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1109}}^1$

素因数の和:1146

約数の個数: 72

約数和(自身を含む): 54918360

約数和(自身を除く): 34790010

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 121, 150, 165, 242, 275, 330, 363, 550, 605, 726, 825, 1109, 1210, 1650, 1815, 2218, 3025, 3327, 3630, 5545, 6050, 6654, 9075, 11090, 12199, 16635, 18150, 24398, 27725, 33270, 36597, 55450, 60995, 73194, 83175, 121990, 134189, 166350, 182985, 268378, 304975, 365970, 402567, 609950, 670945, 805134, 914925, 1341890, 1829850, 2012835, 3354725, 4025670, 6709450, 10064175, 20128350]

約数ペア:

[(1, 20128350), (2, 10064175), (3, 6709450), (5, 4025670), (6, 3354725), (10, 2012835), (11, 1829850), (15, 1341890), (22, 914925), (25, 805134), (30, 670945), (33, 609950), (50, 402567), (55, 365970), (66, 304975), (75, 268378), (110, 182985), (121, 166350), (150, 134189), (165, 121990), (242, 83175), (275, 73194), (330, 60995), (363, 55450), (550, 36597), (605, 33270), (726, 27725), (825, 24398), (1109, 18150), (1210, 16635), (1650, 12199), (1815, 11090), (2218, 9075), (3025, 6654), (3327, 6050), (3630, 5545)]