20692530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 55624320

約数和(自身を除く): 34931790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 173, 270, 346, 443, 519, 865, 886, 1038, 1329, 1557, 1730, 2215, 2595, 2658, 3114, 3987, 4430, 4671, 5190, 6645, 7785, 7974, 9342, 11961, 13290, 15570, 19935, 23355, 23922, 39870, 46710, 59805, 76639, 119610, 153278, 229917, 383195, 459834, 689751, 766390, 1149585, 1379502, 2069253, 2299170, 3448755, 4138506, 6897510, 10346265, 20692530]

約数ペア:

[(1, 20692530), (2, 10346265), (3, 6897510), (5, 4138506), (6, 3448755), (9, 2299170), (10, 2069253), (15, 1379502), (18, 1149585), (27, 766390), (30, 689751), (45, 459834), (54, 383195), (90, 229917), (135, 153278), (173, 119610), (270, 76639), (346, 59805), (443, 46710), (519, 39870), (865, 23922), (886, 23355), (1038, 19935), (1329, 15570), (1557, 13290), (1730, 11961), (2215, 9342), (2595, 7974), (2658, 7785), (3114, 6645), (3987, 5190), (4430, 4671)]