20199789688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{37003}}^1$

素因数の和:37232

約数の個数: 64

約数和(自身を含む): 42428786400

約数和(自身を除く): 22228996712

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 181, 232, 362, 377, 724, 754, 1448, 1508, 2353, 3016, 4706, 5249, 9412, 10498, 18824, 20996, 37003, 41992, 68237, 74006, 136474, 148012, 272948, 296024, 481039, 545896, 962078, 1073087, 1924156, 2146174, 3848312, 4292348, 6697543, 8584696, 13395086, 13950131, 26790172, 27900262, 53580344, 55800524, 87068059, 111601048, 174136118, 194228747, 348272236, 388457494, 696544472, 776914988, 1553829976, 2524973711, 5049947422, 10099894844, 20199789688]

約数ペア:

[(1, 20199789688), (2, 10099894844), (4, 5049947422), (8, 2524973711), (13, 1553829976), (26, 776914988), (29, 696544472), (52, 388457494), (58, 348272236), (104, 194228747), (116, 174136118), (181, 111601048), (232, 87068059), (362, 55800524), (377, 53580344), (724, 27900262), (754, 26790172), (1448, 13950131), (1508, 13395086), (2353, 8584696), (3016, 6697543), (4706, 4292348), (5249, 3848312), (9412, 2146174), (10498, 1924156), (18824, 1073087), (20996, 962078), (37003, 545896), (41992, 481039), (68237, 296024), (74006, 272948), (136474, 148012)]