20012344996

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{76597}}^1$

素因数の和:76689

約数の個数: 72

約数和(自身を含む): 43032143616

約数和(自身を除く): 23019798620

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 49, 62, 86, 98, 124, 172, 196, 217, 301, 434, 602, 868, 1204, 1333, 1519, 2107, 2666, 3038, 4214, 5332, 6076, 8428, 9331, 18662, 37324, 65317, 76597, 130634, 153194, 261268, 306388, 536179, 1072358, 2144716, 2374507, 3293671, 3753253, 4749014, 6587342, 7506506, 9498028, 13174684, 15013012, 16621549, 23055697, 33243098, 46111394, 66486196, 92222788, 102103801, 116350843, 161389879, 204207602, 232701686, 322779758, 408415204, 465403372, 645559516, 714726607, 1429453214, 2858906428, 5003086249, 10006172498, 20012344996]

約数ペア:

[(1, 20012344996), (2, 10006172498), (4, 5003086249), (7, 2858906428), (14, 1429453214), (28, 714726607), (31, 645559516), (43, 465403372), (49, 408415204), (62, 322779758), (86, 232701686), (98, 204207602), (124, 161389879), (172, 116350843), (196, 102103801), (217, 92222788), (301, 66486196), (434, 46111394), (602, 33243098), (868, 23055697), (1204, 16621549), (1333, 15013012), (1519, 13174684), (2107, 9498028), (2666, 7506506), (3038, 6587342), (4214, 4749014), (5332, 3753253), (6076, 3293671), (8428, 2374507), (9331, 2144716), (18662, 1072358), (37324, 536179), (65317, 306388), (76597, 261268), (130634, 153194)]