20165165055

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151339}}^1$

素因数の和:151410

約数の個数: 80

約数和(自身を含む): 42191170560

約数和(自身を除く): 22026005505

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 81, 105, 135, 141, 189, 235, 315, 329, 405, 423, 567, 705, 945, 987, 1269, 1645, 2115, 2835, 2961, 3807, 4935, 6345, 8883, 14805, 19035, 26649, 44415, 133245, 151339, 454017, 756695, 1059373, 1362051, 2270085, 3178119, 4086153, 5296865, 6810255, 7112933, 9534357, 12258459, 15890595, 20430765, 21338799, 28603071, 35564665, 47671785, 49790531, 61292295, 64016397, 85809213, 106693995, 143015355, 149371593, 192049191, 248952655, 320081985, 429046065, 448114779, 576147573, 746857965, 960245955, 1344344337, 2240573895, 2880737865, 4033033011, 6721721685, 20165165055]

約数ペア:

[(1, 20165165055), (3, 6721721685), (5, 4033033011), (7, 2880737865), (9, 2240573895), (15, 1344344337), (21, 960245955), (27, 746857965), (35, 576147573), (45, 448114779), (47, 429046065), (63, 320081985), (81, 248952655), (105, 192049191), (135, 149371593), (141, 143015355), (189, 106693995), (235, 85809213), (315, 64016397), (329, 61292295), (405, 49790531), (423, 47671785), (567, 35564665), (705, 28603071), (945, 21338799), (987, 20430765), (1269, 15890595), (1645, 12258459), (2115, 9534357), (2835, 7112933), (2961, 6810255), (3807, 5296865), (4935, 4086153), (6345, 3178119), (8883, 2270085), (14805, 1362051), (19035, 1059373), (26649, 756695), (44415, 454017), (133245, 151339)]