20227935

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 42517440

約数和(自身を除く): 22289505

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 49, 65, 73, 87, 91, 105, 145, 147, 195, 203, 219, 245, 273, 365, 377, 435, 455, 511, 609, 637, 735, 949, 1015, 1095, 1131, 1365, 1421, 1533, 1885, 1911, 2117, 2555, 2639, 2847, 3045, 3185, 3577, 4263, 4745, 5655, 6351, 6643, 7105, 7665, 7917, 9555, 10585, 10731, 13195, 14235, 14819, 17885, 18473, 19929, 21315, 27521, 31755, 33215, 39585, 44457, 46501, 53655, 55419, 74095, 82563, 92365, 99645, 103733, 137605, 139503, 192647, 222285, 232505, 277095, 311199, 412815, 518665, 577941, 697515, 963235, 1348529, 1555995, 2889705, 4045587, 6742645, 20227935]

約数ペア:

[(1, 20227935), (3, 6742645), (5, 4045587), (7, 2889705), (13, 1555995), (15, 1348529), (21, 963235), (29, 697515), (35, 577941), (39, 518665), (49, 412815), (65, 311199), (73, 277095), (87, 232505), (91, 222285), (105, 192647), (145, 139503), (147, 137605), (195, 103733), (203, 99645), (219, 92365), (245, 82563), (273, 74095), (365, 55419), (377, 53655), (435, 46501), (455, 44457), (511, 39585), (609, 33215), (637, 31755), (735, 27521), (949, 21315), (1015, 19929), (1095, 18473), (1131, 17885), (1365, 14819), (1421, 14235), (1533, 13195), (1885, 10731), (1911, 10585), (2117, 9555), (2555, 7917), (2639, 7665), (2847, 7105), (3045, 6643), (3185, 6351), (3577, 5655), (4263, 4745)]