20175373925

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{2521}}^1$

素因数の和:2731

約数の個数: 72

約数和(自身を含む): 29946833280

約数和(自身を除く): 9771459355

約数列:

[1, 5, 7, 25, 35, 47, 49, 139, 175, 235, 245, 329, 695, 973, 1175, 1225, 1645, 2303, 2521, 3475, 4865, 6533, 6811, 8225, 11515, 12605, 17647, 24325, 32665, 34055, 45731, 57575, 63025, 88235, 118487, 123529, 163325, 170275, 228655, 320117, 350419, 441175, 592435, 617645, 829409, 1143275, 1600585, 1752095, 2452933, 2962175, 3088225, 4147045, 5805863, 8002925, 8760475, 12264665, 16469693, 17170531, 20735225, 29029315, 61323325, 82348465, 85852655, 115287851, 145146575, 411742325, 429263275, 576439255, 807014957, 2882196275, 4035074785, 20175373925]

約数ペア:

[(1, 20175373925), (5, 4035074785), (7, 2882196275), (25, 807014957), (35, 576439255), (47, 429263275), (49, 411742325), (139, 145146575), (175, 115287851), (235, 85852655), (245, 82348465), (329, 61323325), (695, 29029315), (973, 20735225), (1175, 17170531), (1225, 16469693), (1645, 12264665), (2303, 8760475), (2521, 8002925), (3475, 5805863), (4865, 4147045), (6533, 3088225), (6811, 2962175), (8225, 2452933), (11515, 1752095), (12605, 1600585), (17647, 1143275), (24325, 829409), (32665, 617645), (34055, 592435), (45731, 441175), (57575, 350419), (63025, 320117), (88235, 228655), (118487, 170275), (123529, 163325)]