20210768172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4717733}}^1$

素因数の和:4717767

約数の個数: 72

約数和(自身を含む): 61821186336

約数和(自身を除く): 41610418164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4717733, 9435466, 14153199, 18870932, 28306398, 33024131, 42459597, 56612796, 66048262, 80201461, 84919194, 99072393, 132096524, 160402922, 169838388, 198144786, 240604383, 297217179, 320805844, 396289572, 481208766, 561410227, 594434358, 721813149, 962417532, 1122820454, 1188868716, 1443626298, 1684230681, 2245640908, 2887252596, 3368461362, 5052692043, 6736922724, 10105384086, 20210768172]

約数ペア:

[(1, 20210768172), (2, 10105384086), (3, 6736922724), (4, 5052692043), (6, 3368461362), (7, 2887252596), (9, 2245640908), (12, 1684230681), (14, 1443626298), (17, 1188868716), (18, 1122820454), (21, 962417532), (28, 721813149), (34, 594434358), (36, 561410227), (42, 481208766), (51, 396289572), (63, 320805844), (68, 297217179), (84, 240604383), (102, 198144786), (119, 169838388), (126, 160402922), (153, 132096524), (204, 99072393), (238, 84919194), (252, 80201461), (306, 66048262), (357, 56612796), (476, 42459597), (612, 33024131), (714, 28306398), (1071, 18870932), (1428, 14153199), (2142, 9435466), (4284, 4717733)]