20003808

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 96

約数和(自身を含む): 60359040

約数和(自身を除く): 40355232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 66, 76, 88, 96, 114, 132, 152, 176, 209, 228, 264, 304, 352, 418, 456, 528, 608, 627, 836, 912, 997, 1056, 1254, 1672, 1824, 1994, 2508, 2991, 3344, 3988, 5016, 5982, 6688, 7976, 10032, 10967, 11964, 15952, 18943, 20064, 21934, 23928, 31904, 32901, 37886, 43868, 47856, 56829, 65802, 75772, 87736, 95712, 113658, 131604, 151544, 175472, 208373, 227316, 263208, 303088, 350944, 416746, 454632, 526416, 606176, 625119, 833492, 909264, 1052832, 1250238, 1666984, 1818528, 2500476, 3333968, 5000952, 6667936, 10001904, 20003808]

約数ペア:

[(1, 20003808), (2, 10001904), (3, 6667936), (4, 5000952), (6, 3333968), (8, 2500476), (11, 1818528), (12, 1666984), (16, 1250238), (19, 1052832), (22, 909264), (24, 833492), (32, 625119), (33, 606176), (38, 526416), (44, 454632), (48, 416746), (57, 350944), (66, 303088), (76, 263208), (88, 227316), (96, 208373), (114, 175472), (132, 151544), (152, 131604), (176, 113658), (209, 95712), (228, 87736), (264, 75772), (304, 65802), (352, 56829), (418, 47856), (456, 43868), (528, 37886), (608, 32901), (627, 31904), (836, 23928), (912, 21934), (997, 20064), (1056, 18943), (1254, 15952), (1672, 11964), (1824, 10967), (1994, 10032), (2508, 7976), (2991, 6688), (3344, 5982), (3988, 5016)]