20210920996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{19373}}^1$

素因数の和:19493

約数の個数: 96

約数和(自身を含む): 44526101760

約数和(自身を除く): 24315180764

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 53, 74, 76, 106, 133, 148, 212, 259, 266, 371, 518, 532, 703, 742, 1007, 1036, 1406, 1484, 1961, 2014, 2812, 3922, 4028, 4921, 7049, 7844, 9842, 13727, 14098, 19373, 19684, 27454, 28196, 37259, 38746, 54908, 74518, 77492, 135611, 149036, 260813, 271222, 368087, 521626, 542444, 716801, 736174, 1026769, 1043252, 1433602, 1472348, 2053538, 2576609, 2867204, 4107076, 5017607, 5153218, 7187383, 10035214, 10306436, 13619219, 14374766, 19508611, 20070428, 27238438, 28749532, 37990453, 39017222, 54476876, 75980906, 78034444, 95334533, 136560277, 151961812, 190669066, 265933171, 273120554, 381338132, 531866342, 546241108, 721818607, 1063732684, 1443637214, 2887274428, 5052730249, 10105460498, 20210920996]

約数ペア:

[(1, 20210920996), (2, 10105460498), (4, 5052730249), (7, 2887274428), (14, 1443637214), (19, 1063732684), (28, 721818607), (37, 546241108), (38, 531866342), (53, 381338132), (74, 273120554), (76, 265933171), (106, 190669066), (133, 151961812), (148, 136560277), (212, 95334533), (259, 78034444), (266, 75980906), (371, 54476876), (518, 39017222), (532, 37990453), (703, 28749532), (742, 27238438), (1007, 20070428), (1036, 19508611), (1406, 14374766), (1484, 13619219), (1961, 10306436), (2014, 10035214), (2812, 7187383), (3922, 5153218), (4028, 5017607), (4921, 4107076), (7049, 2867204), (7844, 2576609), (9842, 2053538), (13727, 1472348), (14098, 1433602), (19373, 1043252), (19684, 1026769), (27454, 736174), (28196, 716801), (37259, 542444), (38746, 521626), (54908, 368087), (74518, 271222), (77492, 260813), (135611, 149036)]