20005969676

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{3217}}^1$

素因数の和:3631

約数の個数: 96

約数和(自身を含む): 44512817664

約数和(自身を除く): 24506847988

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 331, 427, 662, 671, 854, 1324, 1342, 1708, 2317, 2684, 3217, 3641, 4634, 4697, 6434, 7282, 9268, 9394, 12868, 14564, 18788, 20191, 22519, 25487, 35387, 40382, 45038, 50974, 70774, 80764, 90076, 101948, 141337, 141548, 196237, 222101, 247709, 282674, 392474, 444202, 495418, 565348, 784948, 888404, 990836, 1064827, 1373659, 1554707, 2129654, 2158607, 2747318, 3109414, 4259308, 4317214, 5494636, 6218828, 7453789, 8634428, 11713097, 14907578, 15110249, 23426194, 29815156, 30220498, 46852388, 60440996, 64954447, 81991679, 129908894, 163983358, 259817788, 327966716, 454681129, 714498917, 909362258, 1428997834, 1818724516, 2857995668, 5001492419, 10002984838, 20005969676]

約数ペア:

[(1, 20005969676), (2, 10002984838), (4, 5001492419), (7, 2857995668), (11, 1818724516), (14, 1428997834), (22, 909362258), (28, 714498917), (44, 454681129), (61, 327966716), (77, 259817788), (122, 163983358), (154, 129908894), (244, 81991679), (308, 64954447), (331, 60440996), (427, 46852388), (662, 30220498), (671, 29815156), (854, 23426194), (1324, 15110249), (1342, 14907578), (1708, 11713097), (2317, 8634428), (2684, 7453789), (3217, 6218828), (3641, 5494636), (4634, 4317214), (4697, 4259308), (6434, 3109414), (7282, 2747318), (9268, 2158607), (9394, 2129654), (12868, 1554707), (14564, 1373659), (18788, 1064827), (20191, 990836), (22519, 888404), (25487, 784948), (35387, 565348), (40382, 495418), (45038, 444202), (50974, 392474), (70774, 282674), (80764, 247709), (90076, 222101), (101948, 196237), (141337, 141548)]