20100560991

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1\times {\mathrm{11549}}^1$

素因数の和:12863

約数の個数: 32

約数和(自身を含む): 31114406400

約数和(自身を除く): 11013845409

約数列:

[1, 3, 7, 21, 67, 201, 469, 1237, 1407, 3711, 8659, 11549, 25977, 34647, 80843, 82879, 242529, 248637, 580153, 773783, 1740459, 2321349, 5416481, 14286113, 16249443, 42858339, 100002791, 300008373, 957169571, 2871508713, 6700186997, 20100560991]

約数ペア:

[(1, 20100560991), (3, 6700186997), (7, 2871508713), (21, 957169571), (67, 300008373), (201, 100002791), (469, 42858339), (1237, 16249443), (1407, 14286113), (3711, 5416481), (8659, 2321349), (11549, 1740459), (25977, 773783), (34647, 580153), (80843, 248637), (82879, 242529)]