20121578692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{14699}}^1$

素因数の和:15252

約数の個数: 48

約数和(自身を含む): 38273860800

約数和(自身を除く): 18152282108

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 491, 697, 982, 1394, 1964, 2788, 8347, 14699, 16694, 20131, 29398, 33388, 40262, 58796, 80524, 249883, 342227, 499766, 602659, 684454, 999532, 1205318, 1368908, 2410636, 7217209, 10245203, 14434418, 20490406, 28868836, 40980812, 122692553, 245385106, 295905569, 490770212, 591811138, 1183622276, 5030394673, 10060789346, 20121578692]

約数ペア:

[(1, 20121578692), (2, 10060789346), (4, 5030394673), (17, 1183622276), (34, 591811138), (41, 490770212), (68, 295905569), (82, 245385106), (164, 122692553), (491, 40980812), (697, 28868836), (982, 20490406), (1394, 14434418), (1964, 10245203), (2788, 7217209), (8347, 2410636), (14699, 1368908), (16694, 1205318), (20131, 999532), (29398, 684454), (33388, 602659), (40262, 499766), (58796, 342227), (80524, 249883)]